Dot-to-dot error diffusion

Zhigang Fan

doi:10.1117/12.132390

1 January 1993 Dot-to-dot error diffusion

Zhigang Fan

Author Affiliations +

Journal of Electronic Imaging, Vol. 2, Issue 1, (January 1993). https://doi.org/10.1117/12.132390

Abstract

A dot-to-dot error diffusion algorithm is presented that combines traditional halftoning (clustered-dot ordered dithering) and error diffusion. Error diffusion can create a large number of nonprintable individual pixels. Therefore, it is not suitable for hard-copy printing. On the other hand, traditional halftoning has only limited output gray levels. With the algorithm we proposed, we try to avoid the problems of both techniques, yet retain their merits. In our algorithm, the error diffusion is performed on halftone dots instead of pixels, and the error diffusion is performed only on full dots. To accommodate the dot-to-dot error propagation, a modified but equivalent version of error diffusion is introduced. The success of the algorithm is demonstrated by the experimental results.

Citation Download Citation

Zhigang Fan "Dot-to-dot error diffusion," Journal of Electronic Imaging 2(1), (1 January 1993). https://doi.org/10.1117/12.132390

Published: 1 January 1993

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